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Read the full article here: [http://www.myce.com/news/wd-introduces-super-thin-5mm-hybrid-disk-drives-for-ultrabooks-63675/](http://www.myce.com/news/wd-introduces-super-thin-5mm-hybrid-disk-drives-for-ultrabooks-63675/)
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If the performance on these drives are in line with Seagate’s own Hybrid HDDs, then they are only somewhat better than traditional HDDs. They may offer some faster load times over successive loads, but overall a mainstream SSD will still outperform it by a wide margin.